[INFO] updating cached repository Dracyr/rust_regnbr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Dracyr/rust_regnbr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Dracyr/rust_regnbr" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/Dracyr/rust_regnbr"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/Dracyr/rust_regnbr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Dracyr/rust_regnbr" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/Dracyr/rust_regnbr"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/Dracyr/rust_regnbr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7693dc9f9c0913238bfdcb1fb50b79050c516c30
[INFO] sha for GitHub repo Dracyr/rust_regnbr: 7693dc9f9c0913238bfdcb1fb50b79050c516c30
[INFO] validating manifest of Dracyr/rust_regnbr on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Dracyr/rust_regnbr on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Dracyr/rust_regnbr
[INFO] finished frobbing Dracyr/rust_regnbr
[INFO] frobbed toml for Dracyr/rust_regnbr written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/Dracyr/rust_regnbr/Cargo.toml
[INFO] started frobbing Dracyr/rust_regnbr
[INFO] finished frobbing Dracyr/rust_regnbr
[INFO] frobbed toml for Dracyr/rust_regnbr written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/Dracyr/rust_regnbr/Cargo.toml
[INFO] crate Dracyr/rust_regnbr has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Dracyr/rust_regnbr against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-4/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/Dracyr/rust_regnbr:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f3d377e570162a7a4f539d7fbeca6bacd6306b9c469b57cbdb502a2603125651
[INFO] running `"docker" "start" "-a" "f3d377e570162a7a4f539d7fbeca6bacd6306b9c469b57cbdb502a2603125651"`
[INFO] [stderr]     Checking rust_regnbr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "f3d377e570162a7a4f539d7fbeca6bacd6306b9c469b57cbdb502a2603125651"`
[INFO] running `"docker" "rm" "-f" "f3d377e570162a7a4f539d7fbeca6bacd6306b9c469b57cbdb502a2603125651"`
[INFO] [stdout] f3d377e570162a7a4f539d7fbeca6bacd6306b9c469b57cbdb502a2603125651